Blackout – When New York City experiences a major blackout, cops scramble to contain the resulting chaos, and Frank uncovers some unpleasant truths about his department in the aftermath. Also, Jamie and Eddie question the line between work and their relationship, and Danny and Baez race to question the subject of a murder investigation before she gets tipped off by her ex-boyfriend.
Staten Island, Part One – In the sixth-season opener, Ray is pulled from the East River by police officer Sean “Mac” McGrath. Taken over the bridge to Staten Island, Ray finds a chance at a new life, but it is interrupted when Sam Winslow comes calling. With the ghosts of his past returning, and his father Mickey plotting something in prison, Ray may not have a choice but to return to his roots
A’ohe Kio Pohaku Nalo I Ke Alo Pali (On the Slope of the Cliff, Not One Jutting Rock is Hidden from Sight) – Jerry accompanies Junior as he escorts a fallen soldier home to Oahu. Also, McGarrett and Danny discover a dead body when they delve into the illegal and highly profitable black market for sand.
Guts + Fuel + Hope – MacGyver and Riley, with the help of Vasil, a distraught father, must find a way to drive a tanker filled with liquid oxygen through a region occupied by rebels and deliver it to a children’s hospital before they run out. Also, Riley helps MacGyver decide whether or not to allow his father back into his life.